🇵🇱 WITKOWSKI Lukasz · POLAND

16rank
+9.2Butler · 178 bds
+0.05per board
±5.5swing
-0.05vs par /bd · #14/20
+0.14adjusted /bd
Butler per round: 5.3 5.3 5.3 5.3 -1.2 -1.2 -1.2 5.1 5.1 5.1 5.1 5.1by round

vs par split: bidding +0.16 · play -0.26

Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted +0.14/bd

Card play — on target: opening leads 81.6% #9 of 20 · declarer play 68.2% #15 of 20 · defence 80.3% #16 of 20

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (8)90.0% (30)
Declarer play80.0% (5)64.7% (17)
Defence94.1% (17)75.5% (49)

Opening leads by suit led: ♠ 55.6% (9) · ♥ 90.0% (10) · ♦ 77.8% (9) · ♣ 100.0% (10)

vs par by strain: NT +0.06 (33) · a suit -0.09 (89)

vs par by level: part-score -0.34 (41) · game +0.01 (75) · slam +1.17 (6)

By role: declaring -0.45/bd (-2.13 vs par · 78) · defending +0.44/bd (+1.50 vs par · 100)

By vulnerability: vulnerable +0.03/bd (-1.07 vs par · 61) · not vulnerable +0.06/bd (+0.97 vs par · 117)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalW.KazmierczakC.Huber – F.IllingworthOpen14-27.3-1.95·
QuarterfinalW.KazmierczakF.Illingworth – C.HuberClosed14-2.2-0.16·
QuarterfinalW.KazmierczakA.Roberts – S.ShahClosed14-2.9-0.21·
QuarterfinalW.KazmierczakA.Roberts – S.ShahClosed14+37.7+2.69·
SemifinalW.KazmierczakI.Cailliau – J.BernardClosed14-8.0-0.57-4.79
SemifinalW.KazmierczakI.Cailliau – J.BernardClosed14+4.1+0.29+0.64
SemifinalW.KazmierczakC.Laloubeyre – B.CombescureClosed14+2.7+0.19+0.93
FinalW.KazmierczakA.Kaplan – Z.BrescollClosed16+17.7+1.11+0.62
FinalW.KazmierczakA.Kaplan – Z.BrescollClosed16-12.9-0.81-1.50
FinalW.KazmierczakA.Grossack – Z.GrossackOpen16-0.7-0.04+2.12
FinalW.KazmierczakZ.Brescoll – A.KaplanOpen16+1.0+0.06+2.44
FinalW.KazmierczakA.Grossack – Z.GrossackClosed16+0.0+0.00-1.25

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+13.0Semifinal🇫🇷 FRANCE356♠-2+13
+13.0Final🇺🇸 USA1795♦♠Q-5+12
+12.3Final🇺🇸 USA1324♥x♣K=+12
+12.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND383NT♠8-2·
+12.0Semifinal🇫🇷 FRANCE122♠♣Q-1+12
+12.0Final🇺🇸 USA1615♥x♣K-2+8
+11.3Semifinal🇫🇷 FRANCE382♥♥3-2+10
+11.0Final🇺🇸 USA1536♥x♠6+1+17
+10.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND534♥♦Q-5·
+10.3Final🇺🇸 USA193NT♠5-1+10
+10.0Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND474♥♦Q=·
+10.0Final🇺🇸 USA1364♠x♣A-1+10
+9.3Semifinal🇫🇷 FRANCE173NT♣5+2+4
+9.0Final🇺🇸 USA1553♦♠2-3+9
+8.0Final🇺🇸 USA174♠♥J-1+6
+8.0Final🇺🇸 USA1785♦x♠A-1+5
+6.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND324♠♣5-2·
+6.3Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND412♦♦2-2·
+6.0Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND232♣♦3=·
+6.0Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND374♥♣Q+1·
+5.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♦Q-2·
+5.7Semifinal🇫🇷 FRANCE214♠♣K-1+9
+5.7Semifinal🇫🇷 FRANCE335♦♠J+1+10
+5.7Semifinal🇫🇷 FRANCE365♣+1+3
+5.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND12♥♠5+2·
+5.3Final🇺🇸 USA1403♥♦7=+1
+5.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND212♠♥6-2·
+5.0Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253NT♦J-2·
+5.0Final🇺🇸 USA1513♠♠4-1+5
+5.0Final🇺🇸 USA1601NT♥5=+5
+4.9Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND273♣♥2-1·
+4.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND22♠♣Q-3·
+4.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND433NT♥7=·
+4.7Final🇺🇸 USA1253♥♦Q-1-2
+4.3Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND555♣-1·
+4.3Final🇺🇸 USA1154♠+2+13
+4.0Semifinal🇫🇷 FRANCE33NT♥T+2-13
+4.0Semifinal🇫🇷 FRANCE63♥x♦9-1-9
+3.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND442♦♦6+1·
+3.7Semifinal🇫🇷 FRANCE263NT♥2+2+1
+3.7Final🇺🇸 USA183NT♠J-2+5
+3.7Final🇺🇸 USA1392♥♦J+1+0
+3.3Semifinal🇫🇷 FRANCE254♥♣Q-1+8
+3.3Final🇺🇸 USA114♠♥A+2-1
+3.3Final🇺🇸 USA1143NT+1+0
+3.3Final🇺🇸 USA1474♠x♣5-1+11
+3.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND306♠♥J=·
+3.0Semifinal🇫🇷 FRANCE182♠♣10+2+10
+3.0Semifinal🇫🇷 FRANCE193NT♠2=+0
+2.9Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243♣♥10+1·
+2.9Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND514♥♠Q=·
+2.7Semifinal🇫🇷 FRANCE22♥♣4=+5
+2.7Final🇺🇸 USA153NT♦J=-2
+2.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND484♣♥K=·
+2.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND503♣♠A=·
+2.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND493NT♥6-1·
+2.0Semifinal🇫🇷 FRANCE313♠♦5+1+6
+2.0Semifinal🇫🇷 FRANCE343NT♥J=+11
+2.0Final🇺🇸 USA1132♠=-1
+2.0Final🇺🇸 USA1233♥♣K=+6
+2.0Final🇺🇸 USA1383NT♠6-1+5
+2.0Final🇺🇸 USA1424♣♣6-1-1
+2.0Final🇺🇸 USA1443NT♦8-3+7
+2.0Final🇺🇸 USA1654♠x♥Q-3+2
+1.9Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND454♠♣6-2·
+1.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND142♦♣Q-2·
+1.7Semifinal🇫🇷 FRANCE233♥♦A-2-9
+1.7Final🇺🇸 USA1312♠♣Q+1+10
+1.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33♠♠5-2·
+1.3Final🇺🇸 USA1173♠♣3=+0
+1.0Semifinal🇫🇷 FRANCE95♣♠7=+1
+1.0Semifinal🇫🇷 FRANCE143NT♣6+2+0
+1.0Semifinal🇫🇷 FRANCE241NT♦A=+0
+1.0Final🇺🇸 USA1212♥♠K=+0
+1.0Final🇺🇸 USA1563♥♠T=+7
+1.0Final🇺🇸 USA1704♠♣J+1-13
+1.0Final🇺🇸 USA1721NT♥2=+2
+1.0Final🇺🇸 USA1734♥♦T=+0
+1.0Final🇺🇸 USA1755♥♦4=+11
+0.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND224♠♥K+1·
+0.7Final🇺🇸 USA124♥♠A+1+1
+0.7Final🇺🇸 USA1183NT♦6+3-11
+0.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND464♥♣A-1·
+0.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND284♠♣K=·
+0.3Final🇺🇸 USA1163♣-1-5
+0.0Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND46NT♥T=·
-0.0Semifinal🇫🇷 FRANCE54♥♦7=-8
-0.0Semifinal🇫🇷 FRANCE111NT♠6=-5
-0.0Semifinal🇫🇷 FRANCE424♥♦J+1+0
-0.0Final🇺🇸 USA133NT♣8+3-1
-0.0Final🇺🇸 USA1227♥♠K=+0
+0.0Final🇺🇸 USA1334♠♦T+1+0
+0.0Final🇺🇸 USA1414♠♣6+1+0
+0.0Final🇺🇸 USA1453NT♥2=+13
+0.0Final🇺🇸 USA1494♥♣J=-1
+0.0Final🇺🇸 USA1541NT♥5=+0
+0.0Final🇺🇸 USA1573NT♦3=+13
+0.0Final🇺🇸 USA1594♠♣A=+0
+0.0Final🇺🇸 USA1643NT♣6-2+7
-0.0Final🇺🇸 USA1663NT♦K-1+6
-0.0Final🇺🇸 USA1683♥♠6+1-10
-0.0Final🇺🇸 USA1695♦♥9-1-10
-0.0Final🇺🇸 USA1714♥♣K=-10
-0.0Final🇺🇸 USA1803NT♣J=+3
-0.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND292NT♣4=·
-0.3Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND201NT♠Q=·
-0.3Semifinal🇫🇷 FRANCE205♥♦2=-6
-0.3Final🇺🇸 USA1464♠♥2-2-6
-0.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83♦♣T=·
-0.7Semifinal🇫🇷 FRANCE44♠♥T+2-1
-1.0Semifinal🇫🇷 FRANCE14♥♣4+2-1
-1.0Final🇺🇸 USA161♠=-5
-1.3Final🇺🇸 USA1282♥♥5+1-6
-1.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND564♥♦A=·
-1.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND172♦♣5+2·
-1.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193♠♠2+1·
-1.7Final🇺🇸 USA1434♠♥6+2-11
-2.3Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND313NT♣A+1·
-2.3Semifinal🇫🇷 FRANCE104♠♥Q-2-10
-2.3Semifinal🇫🇷 FRANCE302♠♥Q+1-1
-2.3Final🇺🇸 USA1194♠x♦A-2+5
-2.3Final🇺🇸 USA1304♥♠A+1+0
-2.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND362♥♦5=·
-2.7Semifinal🇫🇷 FRANCE155♥♦A+1-1
-2.9Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♦K+3·
-2.9Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND543♥=·
-3.0Final🇺🇸 USA1523NT♥K-3-5
-3.0Final🇺🇸 USA1774♠♥A=-1
-3.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183NT♠6+3·
-3.3Semifinal🇫🇷 FRANCE163♠♦K-1+2
-3.3Semifinal🇫🇷 FRANCE283♦♥2-2+0
-3.3Final🇺🇸 USA1124♥=+0
-3.3Final🇺🇸 USA1373♥♦K-1+1
-3.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND352♠♥Q=·
-3.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND521NT♥3-2·
-3.7Semifinal🇫🇷 FRANCE292♥♠5-1+4
-3.7Final🇺🇸 USA1294♥♠7=+1
-4.0Semifinal🇫🇷 FRANCE374♠+2-13
-4.0Final🇺🇸 USA143NT♦9-1-12
-4.0Final🇺🇸 USA1763♥♠8-1+2
-4.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153♣♥Q+1·
-4.1Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND343♠♥3-1·
-4.3Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND334♠♣Q-2·
-4.7Final🇺🇸 USA1353♦♠A-1+2
-5.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND424♠♥K-2·
-5.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113NT♦3-2·
-5.6Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND166♠♦K=·
-5.7Semifinal🇫🇷 FRANCE223NT♥2+1-1
-5.7Semifinal🇫🇷 FRANCE394♠♣5-2-6
-5.9Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND135♦♣7=·
-6.0Final🇺🇸 USA1272♣x♥2+2-10
-6.0Final🇺🇸 USA1631NT♠K-2-3
-6.3Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND127♠♥9=·
-6.3Final🇺🇸 USA1103NT♥7=+0
-6.3Final🇺🇸 USA1114♥♣J-1+2
-6.3Final🇺🇸 USA1266♦♠7-2-13
-6.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♥♣4=·
-6.7Semifinal🇫🇷 FRANCE84♠♥8-1-8
-6.7Final🇺🇸 USA1245♣x♥K=-4
-7.0Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND396♦♣J-1·
-7.0Semifinal🇫🇷 FRANCE323♥♠K+1-10
-7.0Semifinal🇫🇷 FRANCE405♥♠K=-4
-7.0Final🇺🇸 USA1674♥♦A=-7
-7.3Semifinal🇫🇷 FRANCE414♥♣Q=-10
-7.3Final🇺🇸 USA1484♠♣9=+0
-7.4Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND404♥♥4+1·
-8.0Final🇺🇸 USA1203NT♥7-1-12
-8.3Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♠♥T=·
-8.3Semifinal🇫🇷 FRANCE73NT♦K-1-12
-10.0Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND52NT♣9+2·
-10.0Final🇺🇸 USA1582♠♥K+1-10
-10.7Quarterfinal🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND266♥♥2-1·
-11.0Final🇺🇸 USA1623NT♠2+2+0
-11.3Semifinal🇫🇷 FRANCE274♣♠K=-8
-11.7Final🇺🇸 USA1347♦♥A=+2
-12.0Final🇺🇸 USA1503NT♣3+3-13
-13.0Final🇺🇸 USA1746♣♠T-2-12
-13.7Semifinal🇫🇷 FRANCE133♦x♥A=-18